Service difficulty report · Gcu · Boeing 767322

Difficulty date
January 3, 2012
Submitted
January 26, 2012
Operation
Air carrier
Aircraft
N670UA
Make and model
Boeing 767322
Aircraft serial
29240
Aircraft time
44,695 hours, 11,629 cycles
Engine
Pwa PW4056
Part
Gcu
Part number
M734284AF
Part serial
332
Condition
Unknown
Location
Left
Stage of operation
NR
How discovered
9
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DUE TO SEVERAL REPORTS OF LEFT GENERATOR OFF LIGHT ON DURING ENGINE START. PERFORMED BPCU BITE CHECK, SERVICED LT IDG OIL. REPLACED LEFT GCU PER MM.